01/13/20

How do physical and chemical properties depend on valence electrons?
I was surprised to find this question on my study guide and I got stuck. Any sort of clarification would be much appreciated. Thanks!
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01/13/20

I start with 67.8 g of NaBr and excess chlorine gas. What is my theoretical yield of NaCl? b. I end up with a percent yield of 82.30%. What was the actual yield of NaCl?
NaBr+Cl2=Br2+NaClpartial answer: 3X.X g NaCl and 3X.X g NaCl
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01/13/20

I start with 46.8 g HgO. What is my theoretical yield of O2? B. I actually collect 2.30 g of O2. What is my percent yield of O2?
2HgO=2Hg+O2partial answer: 3.XX g O2 and 6X.XX%
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01/12/20

You use 4.98 g of Na2SO4, how many grams of barium sulfate are produced?
Na2SO4+Ba(NO3)2–> ?partial answer: 8.XX g NaSO4
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01/12/20

factoring polynomial
using the factors (3x + 2) & (x - 1), find the remaining factor(s) of f(x) = -6x4 + 23x3 - 12x2 - 11x + 6 and write polynomial in fully factored form.
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01/11/20

The length of a rectangle is 7 cm less than its WIDTH. What are the dimensions of a rectangle if it’s areas 198 cm²?
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01/11/20

Solving A Word Problem
Karen made 171 dollars for 9 hours of work At the same rate how much would she make for 17 hours
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01/10/20

The product of four and the sum of seven and a number

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01/10/20

what is 6x+7y=20
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01/10/20

Write an equation of the line that passes through (-5,2) and is perpendicular to y+3=2x
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01/10/20

1.your gross weekly earnings are 375$.if W is your weekly salary,your monthly salary is determined by the equation,M=52w/12
Determine your monthly salary
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01/10/20

Below is the graph of y=f(x) graph y=-f(x)
https://imgur.com/Q7z9pX3 To the actual question ^
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01/09/20

Polynomial function

What is the polynomial function of the lowest degree with lead coefficient 1, and roots 1+ I?
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01/09/20

Roots of polynomial function

Which of the following best describes the roots of the polynomial function f(x)=(x+2)^2(x-4)(x+1)^3?
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01/09/20

It’s about how to get the answer

The quottient of a number and -7, decreased by 2, is 10 find the answer
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01/08/20

Algebra homework

Two consecutive even whole numbers are selected. The difference between the reciprocals of the two numbers is 1/60. Determine the two numbers.
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01/08/20

Algebra homework

Two consecutive odd whole numbers are selected. The difference between the reciprocals of the two numbers is 2/99. Determine the two numbers.
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01/08/20

how to solve this
-4x-y=-1-4x-5y=-5solve by substitution
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01/08/20

how to solve this
-x_8y=19-3x+24y=57solve by substitution
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01/08/20

how to solve this

y=x-8y=2x-12solve by substitution
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01/08/20

Write the expression as a complex number in standard form
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01/08/20

how to solve this
y=4y-2x-4 solve by substitution
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01/08/20

how to solve this

2x+y=57x+4y=15solve by substitution
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01/08/20

Application problem with a linear function: Finding a coordinate given two points
Suppose that the weight (in pounds) of an airplane is a linear function of the amount of fuel (in gallons) in its tank. When carrying 20 gallons of fuel, the airplane weighs 2224 pounds. When... more
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01/07/20

Application problem with a linear function: Finding a coordinate given two points
Suppose that the height (in centimeters) of a candle is a linear function of the amount of time (in hours) it has been burning. After 12 hours of burning, a candle has a height of 15 centimeters.... more
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